Battery module decoupling type power supply device

Abstract

The utility model discloses a battery module decoupling type power supply device which comprises a protective shell, the two ends of the right side of the protective shell are fixedly connected with wire arrangement cylinders, the right end of the bottom of an inner cavity of the protective shell is fixedly connected with a junction box, and the two ends of the bottom of an inner cavity of the junction box are fixedly provided with wiring copper bars. A gathering wire is fixedly installed at the middle end of the top of the wiring copper bar, and the surface of the gathering wire is movably connected to an inner cavity of the wire arrangement cylinder. According to the utility model, through the arrangement of the bidirectional DCDC, the lithium battery module and the load end can be decoupled in the overall operation process, the size required by the load can be realized through parallel connection, the requirements of different loads of the application end are greatly met, and in addition, each parallel loop is not associated with other loops, so that the reliability of the system is improved. If one of the multiple parallel circuits is abnormal, the circuit can be directly dismounted and maintained, and normal operation of the system is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module technical field, concretely is a kind of battery module decoupling type power supply device. BACKGROUND

[0002] In recent years, with the rapid development of new energy industry, lithium ion power battery is more and more widely used in energy storage application, and the requirement of battery PACK is also higher and higher, and the voltage platform is also higher and higher, which leads to more and more complex system, once the internal module or battery cell is abnormal, the whole system will report fault, and cannot work normally. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of battery module decoupling type power supply device.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of battery module decoupling type power supply device, including protective shell, the both ends of the right side of the protective shell are fixedly connected with wire winding drum, the right end of the bottom of the inner chamber of the protective shell is fixedly connected with terminal box, the both ends of the bottom of the inner chamber of the terminal box are fixedly installed with terminal copper bar, the middle end of the top of the terminal copper bar is fixedly installed with summary wire, the surface of the summary wire is movably connected in the inner chamber of wire winding drum, the left end of the bottom of the inner chamber of the protective shell is movably connected with lithium battery module, the right end of the both sides of the lithium battery module is fixedly installed with first wire, and the right end between the top of lithium battery module and the upper end of two first wires is fixedly installed with bidirectional DCDC, and the right end between the top of terminal copper bar and the bidirectional DCDC is fixedly installed with second wire.

[0005] As a preferred scheme, the left end of the top of the protective shell is movably connected with protective cover plate by pin shaft, the upper end of the right side of the protective cover plate is fixedly connected with clamping frame, and the number of the clamping frame is two.

[0006] As a preferred scheme, the right end of the both sides of the outer surface of the protective shell is fixedly connected with silica gel sleeve, and the inner chamber of the silica gel sleeve is movably connected with pressing push rod between the right end of the protective shell, the side of the two pressing push rods close to each other is fixedly connected with clamping plate, the lower end of the clamping plate is movably connected with limit sliding rod, the surface of the limit sliding rod is fixedly connected to the right end in the inner chamber of the protective shell, and the surface between the pressing push rod and the right end of the outer surface of the protective shell is fixedly connected with support spring.

[0007] As a preferred scheme, the left end of the bottom of the inner chamber of the protective shell is fixedly connected with positioning frame, and the lower end of the lithium battery module is movably connected to the surface of the positioning frame.

[0008] As a preferred scheme, the middle end of the top of the lithium battery module is movably connected with mounting bracket, and the bottom of the mounting bracket is fixedly installed on the left end of the bottom of the inner chamber of the protective shell by bolt.

[0009] As a preferred scheme, the right end of the outer surface of the wire arranging barrel is sleeved with a heat shrinkable sleeve between the surface of the wire arranging barrel and the surface of the summary wire.

[0010] As a preferred scheme, the right end of the outer surface of the wire arranging barrel is sleeved with a heat shrinkable sleeve between the surface of the wire arranging barrel and the surface of the summary wire.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1. The utility model discloses a two-way DCDC can be decoupled between lithium battery module and load end in the whole operation process, and the size of the load demand can be realized through parallel connection, greatly solve the demand of different load of application end, in addition, each parallel loop is irrelevant with other loops, if one way appears abnormal in the multiple parallel loops, can directly remove and maintain, does not affect the normal operation of the system.

[0013] 2. The utility model discloses the setting of the protective cover plate is convenient for personnel to the top of the protective shell and is protected, and through the setting of the clamping frame, the clamping plate, the press push rod, the supporting spring and the silica gel sleeve, when personnel need to operate the protective cover plate and rotate and can be closed between the protective shell, under the action of personnel press silica gel sleeve, can push press push rod and move, can compress the supporting spring at the same time, make the clamping plate can produce certain displacement, then when the protective cover plate and the protective shell close, through stop press silica gel sleeve and under the driving of supporting spring tension, can drive press push rod and clamping plate and move, make the clamping plate can be inserted to the inside of clamping frame under the action of moving, can effectively lock and limit between the protective cover plate and the protective shell, avoid the protective cover plate from the top of the protective shell and come off, guarantee the stability that the protective cover plate protects the top of the protective shell, through the setting of the limiting slide, reach the purpose of guiding the clamping plate, avoid the inclination of clamping plate in the process of moving.

[0014] 3. The utility model discloses the setting of the positioning frame reaches the purpose of positioning lithium battery module, avoids the displacement of lithium battery module along the surface of the protective shell, through the setting of the mounting bracket, can effectively limit the top of lithium battery module, avoid the jolt of lithium battery module in the process of using, through the setting of wire arranging barrel, rubber ring and heat shrinkable sleeve, can effectively arrange the summary wire with the sealing property of contact between the summary wire and wire arranging barrel is improved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2This is a schematic diagram of the front cross-sectional structure of the protective shell of this utility model;

[0017] Figure 3 This is a front sectional view of the cable tray of this utility model;

[0018] Figure 4 This is a cross-sectional view of the right side of the silicone sleeve of this utility model.

[0019] In the diagram: 1. Lithium battery module; 2. Mounting bracket; 3. Protective cover; 4. Positioning frame; 5. Silicone sleeve; 6. Protective shell; 7. Junction box; 8. Main conductor; 9. First conductor; 10. Bidirectional DC-DC converter; 11. Second conductor; 12. Connecting copper busbar; 13. Cable tray; 14. Rubber ring; 15. Heat shrink tubing; 16. Support spring; 17. Pressing push rod; 18. Limiting slide rod; 19. Clip plate; 20. Clip frame. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0022] Example 1:

[0023] Please see Figure 1 and Figure 2 As shown, this utility model provides a battery module decoupled power supply device, including a protective shell 6. Both ends of the right side of the protective shell 6 are fixedly connected to a cable tray 13. The bottom right end of the inner cavity of the protective shell 6 is fixedly connected to a junction box 7. Both ends of the bottom of the inner cavity of the junction box 7 are fixedly installed with copper busbars 12. The middle end of the top of the copper busbar 12 is fixedly installed with a general conductor 8. The surface of the general conductor 8 is movably connected to the inner cavity of the cable tray 13. The bottom left end of the inner cavity of the protective shell 6 is movably connected to a lithium battery module 1. The right ends of both sides of the lithium battery module 1 are fixedly installed with first conductors 9. The upper ends of the two first conductors 9 are fixedly installed with a bidirectional DC-DC converter 10 between the upper ends of the two first conductors 9 and the top right end of the lithium battery module 1. The right ends of the bidirectional DC-DC converter 10 are fixedly installed with a second conductor 11 between the right ends of the bidirectional DC-DC converter 10 and the top of the copper busbar 12.

[0024] In the technical solution, the lithium battery module 1 and the load end are decoupled during overall operation through the setting of the bidirectional DCDC 10, the size of the load required can be realized through parallel connection, and the needs of different loads at the application end are greatly solved.

[0025] Embodiment two:

[0026] On the basis of embodiment one, the utility model discloses as shown in Figure 1 、 Figure 2 and Figure 4 The left end of the top of the protective shell 6 is movably connected with a protective cover plate 3 through a pin shaft, the upper end of the right side of the protective cover plate 3 is fixedly connected with a clamping frame 20, the number of the clamping frame 20 is two, the right end of both sides of the outer surface of the protective shell 6 is fixedly connected with a silica gel sleeve 5, the inner cavity of the silica gel sleeve 5 and the right end of the protective shell 6 are movably connected with a pressing push rod 17, the side of the two pressing push rods 17 close to each other is fixedly connected with a clamping plate 19, the lower end of the clamping plate 19 is movably connected with a limiting slide rod 18, the surface of the limiting slide rod 18 is fixedly connected to the right end of the inner cavity of the protective shell 6, and the surface of the pressing push rod 17 and the right end of the outer surface of the protective shell 6 are fixedly connected with a supporting spring 16.

[0027] In the technical solution, the top of the protective shell 6 is protected through the setting of the protective cover plate 3, and when a person needs to operate the protective cover plate 3 to rotate and close with the protective shell 6, the pressing push rod 17 can be moved under the action of the person pressing the silica gel sleeve 5, the supporting spring 16 can be compressed, the clamping plate 19 can be displaced, then after the protective cover plate 3 and the protective shell 6 are closed, the pressing push rod 17 and the clamping plate 19 can be moved under the action of the supporting spring 16, the clamping plate 19 can be inserted into the clamping frame 20, the protective cover plate 3 and the protective shell 6 can be effectively locked and positioned, the protective cover plate 3 is prevented from loosening from the top of the protective shell 6, the stability of the protective cover plate 3 protecting the top of the protective shell 6 is ensured, and the clamping plate 19 is guided through the setting of the limiting slide rod 18, and the clamping plate 19 is prevented from tilting during movement.

[0028] Embodiment three:

[0029] On the basis of embodiment one, the utility model discloses as shown in Figures 1-3As shown, the left end of the bottom of the inner cavity of the protective shell 6 is fixedly connected with a positioning frame 4, the lower end of the lithium battery module 1 is movably connected to the surface of the positioning frame 4, the middle end of the top of the lithium battery module 1 is movably connected with a mounting frame 2, the bottom of the mounting frame 2 is fixedly installed on the left end of the bottom of the inner cavity of the protective shell 6 through bolts, the right end of the inner cavity of the wire arranging cylinder 13 is fixedly connected with a rubber ring 14, the surface of the summary wire 8 is movably connected to the surface of the rubber ring 14, and the hot shrink sleeve 15 is sleeved between the right end of the outer surface of the wire arranging cylinder 13 and the surface of the summary wire 8.

[0030] In the technical solution, the positioning frame 4 is arranged to position the lithium battery module 1, so that the lithium battery module 1 is prevented from being displaced along the surface of the protective shell 6, the mounting frame 2 is arranged to effectively limit the top of the lithium battery module 1, so that the lithium battery module 1 is prevented from shaking during use, and the wire arranging cylinder 13, the rubber ring 14 and the hot shrink sleeve 15 are arranged to effectively arrange the summary wire 8 and improve the sealing property of the contact between the summary wire 8 and the wire arranging cylinder 13.

[0031] The working principle of the utility model is: through physical integration between the lithium battery module 1 and the bidirectional DCDC 10, the bidirectional DCDC 10 can rely on the full voltage range of the discharge window of the lithium battery module 1 to provide a stable voltage platform for the load end, output a stable load demand voltage platform, and control the output voltage ripple well, so that the large current sparking phenomenon caused by pressure difference after multi-parallel connection is avoided, the function of the bidirectional DCDC 10 can not only realize the conversion from low-voltage electricity of the lithium battery module 1 to high-voltage electricity of the output end of the bidirectional DCDC 10, but also according to the demand of the system charging instruction, the high voltage of the output end can directly flow to the lithium battery module 1 for charging.

[0032] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0033] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0034] Finally, it should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A battery module decoupled power supply device comprising a protective shell (6), characterized in that: Both ends of the right side of the protective shell (6) are fixedly connected with the wire winding drum (13), the right end of the bottom of the inner cavity of the protective shell (6) is fixedly connected with the junction box (7), both ends of the bottom of the inner cavity of the junction box (7) are fixedly installed with the junction copper bar (12), the top of the junction copper bar (12) is fixedly installed with the summary wire (8), the surface of the summary wire (8) is movably connected to the inner cavity of the wire winding drum (13), the left end of the bottom of the inner cavity of the protective shell (6) is movably connected with the lithium battery module (1), the right end of both sides of the lithium battery module (1) is fixedly installed with the first wire (9), the upper end of the two first wires (9) and the right end of the top of the lithium battery module (1) are fixedly installed with the bidirectional DCDC (10), the right end of the bidirectional DCDC (10) and the top of the junction copper bar (12) are fixedly installed with the second wire (11).

2. The battery module decoupled power supply device according to claim 1, wherein: The left end of the top of the protective shell (6) is movably connected with the protective cover plate (3) through the pin shaft, the upper end of the right side of the protective cover plate (3) is fixedly connected with the clamping frame (20), the number of the clamping frame (20) is two.

3. The battery module decoupled power supply device of claim 1, wherein: The right end of both sides of the outer surface of the protective shell (6) is fixedly connected with the silica gel sleeve (5), the inner cavity of the silica gel sleeve (5) and the right end of the protective shell (6) are movably connected with the pressing push rod (17), the side of the two pressing push rods (17) close to each other is fixedly connected with the clamping plate (19), the lower end of the clamping plate (19) is movably connected with the limiting sliding rod (18), the surface of the limiting sliding rod (18) is fixedly connected to the right end of the inner cavity of the protective shell (6), the surface of the pressing push rod (17) and the right end of the outer surface of the protective shell (6) are fixedly connected with the supporting spring (16).

4. The battery module decoupled power supply device of claim 1, wherein: The left end of the bottom of the inner cavity of the protective shell (6) is fixedly connected with the positioning frame (4), the lower end of the lithium battery module (1) is movably connected to the surface of the positioning frame (4).

5. The battery module decoupled power supply device of claim 1, wherein: The middle end of the top of the lithium battery module (1) is movably connected with the mounting bracket (2), the bottom of the mounting bracket (2) is fixedly installed on the left end of the bottom of the inner cavity of the protective shell (6) through bolts.

6. The battery module decoupled power supply device of claim 1, wherein: The right end of the inner cavity of the wire winding drum (13) is fixedly connected with the rubber ring (14), the surface of the summary wire (8) is movably connected to the surface of the rubber ring (14).

7. The battery module decoupled power supply device of claim 1, wherein: The right end of the outer surface of the wire winding drum (13) and the surface of the summary wire (8) are sleeved with the heat shrinkable sleeve (15).

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